In Pea Plants, the Allele for Round Peas (R) Is

question 3

Multiple Choice

In pea plants, the allele for round peas (R) is dominant to the allele for wrinkled peas (r) .A gardener has a plant he got from his neighbor that produces round peas, but he does not know its genotype.What simple procedure could he do to determine the genotype of his new plant?

• A)Perform a dihybrid cross-if only 1 out of 16 offspring are wrinkled, then the new plant's genotype is RR.
• B)Perform a test cross with a plant that has wrinkled peas-if any offspring give wrinkled peas, then the new plant's genotype is Rr.
• C)Perform a test cross with a plant that has an Rr genotype-if all of the offspring give round seeds, then the new plant's genotype is Rr.

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